请问“howlong " "how far" "how often" "howsoon"的区别,分别对什么提问

题目

请问“howlong " "how far" "how often" "howsoon"的区别,分别对什么提问

答案

howlong是问时间,eg,how long does it take if we take
bus to school?
how far 是问距离,eg,how far is it from xing jiang to beijing?
how often 是频率副词,一般是提问次数,eg,how often do you exercise ?
回答用相应的频率副词,eg, often,never,once a week
how soon也是问时间,可以和how long 互换